<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.sql.*" %>
<%@ page import="edu.sctu.User" %>
<%--
  Created by IntelliJ IDEA.
  User: 星月
  Date: 2018/4/2
  Time: 19:58
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
    <style>
        td{border:1px solid #000;
            padding:10px;
        }
    </style>
    <jsp:include page="header.jsp"></jsp:include>
</head>
<body>
<%
    if (session.getAttribute("username")==null){
        //跳转
        response.sendRedirect("login.jsp");
    }
%>
<table>
    <thead>
    <tr>
        <td>编号</td>
        <td>姓名</td>
        <td>密码</td><!--ctrl+d-->
        <td>删除操作</td><!--ctrl+w-->
        <td>更新2</td><!--ctrl+d-->

    </tr>
    </thead>
    <tbody>
    <%
//        class User{
//            int id;
//            String name;
//            String password;
//        }
        List<User>userList=new ArrayList<User>();
//        User li=new User();
//        li.id=1;
//        li.name="li";
//        li.password="123";
//        userList.add(li);
        Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;
        String sql="select * from t_users";
        Class.forName("com.mysql.jdbc.Driver");
        connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                "root",
                "123456");
        statement =connection.createStatement();
        resultSet =statement.executeQuery(sql);
        while (resultSet.next()){
            int id=resultSet.getInt(1);
            String  name=resultSet.getString(2);
            String password=resultSet.getString(3);

            User user=new User();
            user.setId(id);
            user.setName(name);
            user.setPassword(password);
            userList.add(user);

    }
        resultSet.close();
        statement.close();
        connection.close();
        pageContext.setAttribute("userlist",userList);
//        for(User user:userList){
//
//            //221
//            out.write("<tr><td>"+user.id+"</td><td>"
//                    +user.name+"</td><td>"+
//                    user.password+"</td></tr>");
//        }
    %>
    <c:forEach var="user" items="${userlist}">
    <tr>
        <td>${user.id}</td>
        <td>${user.name}</td>
        <td>${user.password}</td>
        <td><a href='deleteUserHandler.jsp?id="+user.id+"' >删除</a></td>
        <td><a href='userUpdate.jsp?id="+user.id+"&username="+user.name+"&password="+user.password+"'>更新</a></td>
    </tr>
    </c:forEach>
    </tbody>

</table>
</body>
</html>
